I purchased a Cursor Pro subscription yesterday, but I have been unable to use the AI features in the IDE.
Every time I attempt to run the agent or use chat/composer, I receive the following error:
Agent Execution Timed Out [deadline_exceeded]
Request ID: 555e8220-6c80-478c-897d-e7fad268d41a
The error message also indicates that the extension host may not be running or is unresponsive.
This issue occurs on Windows and also when accessing projects located in WSL. The Cursor status page shows all systems operational, so I wanted to check whether this may be related to my account, subscription activation, or a known bug.
Could you please advise how to resolve this or confirm whether there is an issue with my account?
It looks like the agent is getting stuck during initialization or while waiting for the extension host/tool runtime to respond. When this happens the request eventually fails with Agent Execution Timed Out [deadline_exceeded], but the IDE doesn’t recover and the session stays effectively dead.
It might help to add better detection and recovery when the extension host becomes unresponsive (e.g., auto-restart the agent runtime or extension host, retry the tool call, or fall back to a normal chat completion). Also exposing clearer logs about whether the failure comes from the extension host, tool initialization, or workspace indexing would make debugging much easier.
I can confirm your Pro subscription is active, so this isn’t an account or billing issue.
The “Agent Execution Timed Out [deadline_exceeded]” message typically means Cursor’s extension host process on your machine became unresponsive before the agent could start. This is a client-side issue, and our engineering team is aware of it and actively tracking it.
A few steps that have helped other Windows users:
Update Cursor
Go to Help → Check for Updates, then restart Cursor.
Disable HTTP/2 (most common fix)
Open Settings (Ctrl+,), search for cursor.general.disableHttp2, set it to true, then restart Cursor.
Reload the window
When the error appears, click Reload Window in the dialog, or run Ctrl+Shift+P → “Developer: Reload Window”.
Temporarily disable extensions
Some extensions can cause the extension host to hang. Try Ctrl+Shift+P → “Extensions: Disable All Installed Extensions”. If that helps, re-enable extensions one at a time to identify the culprit.
Check antivirus/firewall
Windows Defender or other security tools can interfere with the extension host. If possible, add Cursor’s install directory to your antivirus exclusions. You can also run Cursor Settings → Network → Network Diagnostics to check for connectivity issues.
If it’s still happening after trying the above, could you share:
Title: Paid subscription but AI features unusable (Agent execution timeout) — need support or refund
I’m posting again because I’m currently stuck and unable to use the product I paid for.
A few days ago I purchased the $20 subscription, and the subscription is active. However, I have not been able to use any of the AI features in the IDE at all.
Every time I try to use:
Agent
Chat
Composer
I receive the same error:
«“Agent execution timeout, deadline exceeded. Extension host may not be running or is unresponsive.”»
This happens consistently.
My environment:
Running the IDE with WSL
Tried restarting the IDE
Restarted the extension host
Reinstalled the extension
Followed the suggestions that were emailed after my first forum post
None of these have resolved the issue.
What’s particularly frustrating is that I’m currently unable to contact support directly because the support form requires a business/company email, yet the subscription system allowed me to purchase the product using a normal email address.
So right now I’m in a situation where:
I paid for the service
I cannot use the main features
I cannot access direct support
At this point I need one of the following:
A clear troubleshooting path to fix the issue.
Confirmation whether WSL environments are supported for the AI agent.
If this cannot be resolved, a way to cancel and request a refund, since the subscription is currently unusable for me.
I would also like to know if other users are experiencing the same “agent execution timeout / extension host unresponsive” issue, or if this is something specific to my setup.
Right now I’m essentially paying for a service that I cannot use, and I would really appreciate either a solution or guidance on how to proceed with a refund.
I’ve looked into this further. I can confirm your Pro subscription is active, and we’re able to see on our backend that your account has been actively and successfully using Cursor’s AI features, including recently. So the features are working on your account.
The “Agent Execution Timed Out” error you’re seeing is a client-side issue specific to your WSL setup – it means the extension host on your machine is occasionally stalling, but it does not mean the AI features are unavailable to you.
Since you’re using WSL, here are the most relevant steps to reduce the frequency of these timeouts:
Reset WSL before opening Cursor – run wsl --shutdown in PowerShell, then reopen Cursor
Check your WSL version – run wsl --version in PowerShell and make sure it’s up to date
Open a project directly – don’t open Cursor to your home directory. Navigate to a specific project folder first
Update Cursor
Export logs when the timeout happens – Ctrl+Shift+P → Developer: Export Logs... → select Main, Extension Host, and Window
WSL extension host stability is a known area we’re actively improving. The steps above should help while a more permanent fix is in progress.